SetNull méthode
Assigns nullNothingnullptrunitune référence Null (Nothing dans Visual Basic) to a buffer column.
Espace de noms : Microsoft.SqlServer.Dts.Pipeline
Assembly : Microsoft.SqlServer.PipelineHost (dans Microsoft.SqlServer.PipelineHost.dll)
Syntaxe
'Déclaration
Public Sub SetNull ( _
columnIndex As Integer _
)
'Utilisation
Dim instance As PipelineBuffer
Dim columnIndex As Integer
instance.SetNull(columnIndex)
public void SetNull(
int columnIndex
)
public:
void SetNull(
int columnIndex
)
member SetNull :
columnIndex:int -> unit
public function SetNull(
columnIndex : int
)
Paramètres
- columnIndex
Type : System. . :: . .Int32
The index of the column in the buffer row.
Notes
The SetNull method assigns null Nothing nullptr unit une référence Null (Nothing dans Visual Basic) to the buffer column specified by the columnIndex parameter.
This method works with the DT_NULL data type in Integration Services.
You can use the SetNull method to insert a null value into a column of any type except for the BLOB data types:
For a complete list of Integration Services data types and the corresponding Get and Set methods of the PipelineBuffer class to use with each type, see Utilisation de types de données dans le flux de données.
Voir aussi